Finding the Fourth Proportional to 10,436.64, 14,402.34 and 5,720.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.64 : 14,402.34 = 5,720.82 : x
2. Step 2: Convert to fraction form
   10,436.64/14,402.34 = 5,720.82/x
3. Step 3: Cross multiply
   10,436.64x = 14,402.34 × 5,720.82
4. Step 4: Simplify right side
   10,436.64x = 82,393,194.72
5. Step 5: Solve for x
   x = 82,393,194.72/10,436.64
6. Step 6: Final answer
   x = 7,894.61